Rural Vermont mailman Mark Whalon makes rounds in sub-zero weather. (Alfred Eisenstaedt—Time & Life Pictures/Getty Images)

Click here to see the full collection at LIFE.com... more 
Rural Vermont mailman Mark Whalon makes rounds in sub-zero weather. (Alfred Eisenstaedt—Time & Life Pictures/Getty Images)

Click here to see the full collection at LIFE.com less 
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Wed, Feb 6, 2013 11:00 AM EST